Tonight in HD: April 6

Sons of Anarchy's Ron Perlman

Friends (TV2, 6.30, R)

Rachel makes a rash decision; Ross accidentally breaks a girl’s leg and tries to make it up to her.

Two and a Half Men (TV2, 7.30)

When Berta takes a couple of days off, Charlie falls for her replacement; Alan believes he’s being stalked by Lyndsey’s ex-husband. What the critics say: TV Fanatic.

Politically Incorrect Guide to Teenagers (TV One, 8.00)

Nigel Latta on how to handle teenagers.

The Big Bang Theory (TV2, 8.30)

When the guys camp in line for a screening, their plans are thwarted by Sheldon’s greatest nemesis (Wil Wheaton). What the critics say: Slice of SciFi, IGN.

Hawaii Five-O (TV3, 8.30, 5.1)

When a member of the security detail for an upcoming Aid Summit is murdered before he can reveal the details of an assassination plot, Five-O is brought in to investigate the murder. What the critics say: Alex O’Loughlin Rocks.

Cougar Town (TV2, 9.00)

Travis brings home his new girlfriend to meet Jules who feels instantly threatened; Grayson hates that his house has become the new place for the gang to hang out.

Sons of Anarchy (TV3, 9.30, 5.1)

Clay makes a move to get back into the gun trade. What the critics say: Cultural Learnings, Television Blend, TV Squad.

The Mentalist (TV2, 10.30, R)

Chief Minelli orders Patrick Jane, Lisbon and company to play nice and work together with Bosco and his team to locate a kidnapped woman being held for ransom.

Bones (TV3, 11.10, 5.1, R)

The discovery of the body of a high school athlete in a municipal salt truck is linked to news reports of a ‘pregnancy pact’ with the deceased’s volleyball teammates.